Finding the Fourth Proportional to 3,189,147.94, 4,778,996.16 and 2,624,541.08
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Solution
The fourth proportional to 3,189,147.94, 4,778,996.16 and 2,624,541.08 is: 3,932,922.52
Step by Step Solution
- Step 1: Write the proportion equation
3,189,147.94 : 4,778,996.16 = 2,624,541.08 : x - Step 2: Convert to fraction form
3,189,147.94/4,778,996.16 = 2,624,541.08/x - Step 3: Cross multiply
3,189,147.94x = 4,778,996.16 × 2,624,541.08 - Step 4: Simplify right side
3,189,147.94x = 12,542,671,743,082.25 - Step 5: Solve for x
x = 12,542,671,743,082.25/3,189,147.94 - Step 6: Final answer
x = 3,932,922.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.